FROM python:3.10-slim

WORKDIR /app

# System deps
RUN apt-get update && apt-get install -y --no-install-recommends \
    poppler-utils \
    libpq-dev \
    gcc \
    tesseract-ocr \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Install Node.js for building frontend
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
    && apt-get install -y nodejs \
    && rm -rf /var/lib/apt/lists/*

# Install Python deps
COPY backend/requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir -r /app/requirements.txt

# Build frontend
COPY frontend/package.json frontend/package-lock.json* /app/frontend/
WORKDIR /app/frontend
RUN npm install
COPY frontend/ /app/frontend/
RUN npm run build

# Copy backend
WORKDIR /app
COPY backend/ /app/

# Move frontend build AFTER backend copy
RUN cp -r /app/frontend/dist /app/static

# Create storage directory and set permissions
RUN mkdir -p /app/storage/documents && \
    useradd -m -u 1000 user && \
    chown -R user:user /app

USER user

EXPOSE 7860

CMD ["sh", "-c", "alembic upgrade head && uvicorn app.main:app --host 0.0.0.0 --port 7860"]